CN212107113U

CN212107113U - Electric impact multiplier actuator for high-pressure valve

Info

Publication number: CN212107113U
Application number: CN202020688964.0U
Authority: CN
Inventors: 王占峰; 廖德龙; 王玉峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-08
Anticipated expiration: 2030-04-29

Abstract

An electric multiplication impact actuator of a high-pressure valve comprises a valve body and a control screw rod, wherein a fixed outer sleeve is sleeved on the upper portion of the valve body, two positioning keys are symmetrically arranged between the lower end in the fixed outer sleeve and the valve body and clamped at the clamping edge of the upper portion of the valve body, and the fixed outer sleeve is fixed on the valve body through two positioning bolts which are symmetrically screwed in along the radial direction to compress the positioning keys; a torque multiplier is inserted into the fixed outer sleeve along the axial direction, an output shaft of the torque multiplier is coaxially connected with the upper end of the control screw rod, and an input shaft at the upper end of the torque multiplier is connected with a speed reduction motor through an electric wrench impactor; limiting blocks are symmetrically arranged on two sides of the outer edge of the torque multiplier, two limiting slideways are symmetrically arranged on the wall of the fixed outer sleeve, and the limiting blocks are respectively inserted into the limiting slideways. The utility model discloses can replace the hand wheel to install on the valve body under the condition that does not change the valve body, realize long-range electric control, alleviate artifical intensity of labour and ensure operating personnel's personal safety greatly.

Description

Electric impact multiplier actuator for high-pressure valve

Technical Field

The utility model relates to a control high-pressure valve switch's executor, in particular to high-pressure valve electricity multiplication strikes executor.

Background

At present, the petrochemical industry has a part of high-temperature and high-pressure valves, and if the high-temperature and high-pressure valves of a steam injection boiler and the like are opened and closed by manpower, the high-temperature and high-pressure valves are controlled by only depending on a rotary hand wheel during operation, sometimes, the high-temperature and high-pressure valves can not be operated by a single person, and the high-temperature and high-pressure valves can be operated by a plurality of persons or by using. Because the valve is used for controlling high-temperature high-pressure steam, the field operation can be burnt slightly carelessly, and the controlled high-pressure steam can also present safety hazard under the condition that the valve is damaged.

The existing various electric actuators can not be installed on the valve without changing the valve body. Therefore, an electric actuator is urgently needed according to the current situation, the electric actuator can be installed on the valve body instead of a hand wheel under the condition of not changing the valve body, the remote operation or the remote control operation is realized, the labor intensity of workers is greatly reduced, and the personal safety of operators is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a high-pressure valve electricity multiplication impact actuator is provided, can replace the hand wheel to install on the valve body under the condition that does not change the valve body, realize long-range electronic control, alleviate artifical intensity of labour and ensure operating personnel's personal safety greatly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric multiplication impact actuator of a high-pressure valve comprises a valve body, wherein a control screw rod is arranged in the valve body, and the electric multiplication impact actuator is characterized in that a fixing outer sleeve is sleeved on the upper part of the valve body, two positioning keys are symmetrically arranged between the lower end in the fixing outer sleeve and the valve body, the positioning keys are clamped at the clamping edge of the upper part of the valve body, and the fixing outer sleeve is fixed on the valve body by pressing the positioning keys through two positioning bolts symmetrically screwed in along the radial direction; a torque multiplier is inserted into the fixed outer sleeve along the axial direction, an output shaft of the torque multiplier is coaxially connected with the upper end of the control screw rod, and an input shaft at the upper end of the torque multiplier is connected with a speed reduction motor through an electric wrench impactor and used for driving the torque multiplier to rotate, so that the control screw rod is driven to rotate after speed reduction; the limiting blocks are symmetrically arranged on two sides of the outer edge of the torque multiplier, two limiting slideways are symmetrically arranged on the wall of the fixed outer sleeve along the longitudinal direction, and the limiting blocks are inserted into the corresponding limiting slideways through clearance fit respectively and are used for realizing circumferential limiting when the torque multiplier works.

Preferably, the lower part of the fixed outer sleeve is provided with an annular positioning boss for being clamped on the valve body to realize positioning.

Preferably, the torque multiplier is a three-stage planetary gear reducer for increasing the output torque.

Preferably, the electric wrench impactor is composed of a housing and an electric wrench impact assembly mounted in the housing, wherein the housing is fixed on the torque multiplier through bolts.

The utility model has the advantages that:

1. the valve body is sleeved with the fixing outer sleeve, two positioning keys are symmetrically arranged between the inner lower end of the fixing outer sleeve and the valve body, the positioning keys are clamped at the clamping edge of the upper part of the valve body, and the fixing outer sleeve is fixed on the valve body by pressing the positioning keys through two positioning bolts symmetrically screwed in along the radial direction; therefore, the valve can be installed on the valve body without changing the valve body instead of a hand wheel, and has simple structure and convenient installation.

2. Because the torque multiplier is inserted into the fixed outer sleeve, an output shaft of the torque multiplier is coaxially connected with the upper end of the control lead screw, and an input shaft at the upper end of the torque multiplier is connected with the speed reduction motor through the electric wrench impactor and used for driving the torque multiplier to rotate, so that the control lead screw is driven to rotate after speed reduction; the limiting blocks symmetrically arranged at the two sides of the outer edge of the torque multiplier are inserted into the limiting slide ways arranged on the wall of the fixed outer sleeve, so that the circumferential limiting of the torque multiplier during working can be realized; the remote electric control on/off of the high-pressure valve can be realized, the labor intensity is greatly reduced, and the personal safety of operators is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a left side view of fig. 1.

In the figure: the valve comprises a valve body 1, a control screw rod 2, a positioning key 3, a positioning bolt 4, a fixing sleeve 5, a limiting slide 501, a positioning boss 502, a limiting block 6, a torque multiplier 7, an electric wrench impactor 8, a speed reducing motor 9 and a connecting sleeve 10.

Detailed Description

As shown in fig. 1-2, the utility model relates to an electric multiplication impact actuator for a high-pressure valve, which comprises a valve body 1, a control screw 2 for controlling the valve switch is installed in the valve body 1, a fixed outer sleeve 5 is sleeved on the upper part of the valve body 1 through clearance fit, two positioning keys 3 are symmetrically arranged between the lower end in the fixed outer sleeve 5 and the clamping edges at two sides of the outer edge of the valve body 1, the positioning keys 3 are clamped at the clamping edges at the upper part of the valve body 1, and the fixed outer sleeve 5 is fixed on the valve body 1 by compressing the positioning keys 3 through two positioning bolts 4 symmetrically screwed in along the radial direction; the inner end of the positioning bolt 4 is inserted into a blind hole arranged on the positioning key 3. An annular positioning boss 502 is arranged at the lower part in the fixed outer sleeve 5 and used for being clamped on the valve body 1 to realize positioning.

A torque multiplier 7 is inserted into the fixed outer sleeve 5 in an axial direction through clearance fit, an output shaft of the torque multiplier 7 is connected with the upper end of the control screw rod 2 through a connecting sleeve 10 and a flat key coaxial shaft, an input shaft at the upper end of the torque multiplier 7 is connected with a speed reduction motor 9 through an electric wrench impactor 8 and used for driving the torque multiplier 7 to rotate, and the control screw rod 2 is driven to rotate after speed reduction. The torque multiplier 7 is a three-stage planetary gear reducer for increasing the output torque.

The electric wrench impactor 8 is composed of a housing and an electric wrench impact assembly (not shown in the figure) installed in the housing, wherein the housing is fixed on the torque multiplier 7 through bolts, and the speed reduction motor 9 is fixed on the housing of the electric wrench impactor 8 and connected with an input shaft of the electric wrench impact assembly through a spline.

Two limiting blocks 6 are symmetrically fixed on two sides of the outer edge of the torque multiplier 7 through screws, two limiting slide ways 501 which are longitudinally arranged are symmetrically arranged on the wall of the fixed outer sleeve 5, and the limiting blocks 6 are respectively inserted into the corresponding limiting slide ways 501 through clearance fit and are used for realizing circumferential limiting when the torque multiplier 7 works.

The during operation, through the opening and stopping of the long-range electric switch control gear motor 9 of connecting gear motor 9, gear motor 9 starts the back and drives torque multiplier 7 rotatory through electric spanner impacter 8, increase torque output and drive control lead screw 2 rotatory after slowing down through torque multiplier 7, when control lead screw 2 is rotatory, because torque multiplier 7 outer fringe both sides insert respectively through stopper 6 in the spacing slide 501 that corresponds on the fixed overcoat 5, consequently, torque multiplier can reciprocate along with control lead screw 2 is synchronous, realize the switch of this valve.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An electric multiplication impact actuator of a high-pressure valve comprises a valve body, wherein a control screw rod is arranged in the valve body, and the electric multiplication impact actuator is characterized in that a fixed outer sleeve is sleeved on the upper part of the valve body, two positioning keys are symmetrically arranged between the lower end in the fixed outer sleeve and the valve body, the positioning keys are clamped at the clamping edge on the upper part of the valve body, and the fixed outer sleeve is fixed on the valve body by pressing the positioning keys through two positioning bolts symmetrically screwed in along the radial direction; a torque multiplier is inserted into the fixed outer sleeve along the axial direction, an output shaft of the torque multiplier is coaxially connected with the upper end of the control screw rod, and an input shaft at the upper end of the torque multiplier is connected with a speed reduction motor through an electric wrench impactor and used for driving the torque multiplier to rotate, so that the control screw rod is driven to rotate after speed reduction; the limiting blocks are symmetrically arranged on two sides of the outer edge of the torque multiplier, two limiting slideways are symmetrically arranged on the wall of the fixed outer sleeve along the longitudinal direction, and the limiting blocks are inserted into the corresponding limiting slideways through clearance fit respectively and are used for realizing circumferential limiting when the torque multiplier works.

2. The high-pressure valve electric multiplication impact actuator as claimed in claim 1, wherein the fixed outer sleeve is provided with an annular positioning boss at the lower part for being clamped on the valve body to realize positioning.

3. The high pressure valve electric multiplication impact actuator as claimed in claim 1, wherein the torque multiplier is a three-stage planetary gear reducer for increasing the output torque.

4. The high pressure valve electric multiplication impact actuator as claimed in claim 1, wherein the electric wrench impactor is formed by a housing and an electric wrench impact assembly mounted in the housing, wherein the housing is fixed on the torque multiplier by bolts.